Scoggin Dickey

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GM Performance Parts LSX-LS7 Assembled Cylinder Heads

Part Number #19201806

Just released from GM Performance Parts and in stock at Scoggin Dickey Parts Center for immediate delivery --- the all new LSX Series of Performance cylinder heads. The LSX-LS7 is the first to be released with more applications coming over the next 90-days. The LSX series heads feature many significant improvements over GM factory production cylinder heads making them the first choice for new LSX engine builds and power upgrades for your current LS engine family. The new 6-bolt LSX-LS7 cylinder head was developed specifically to meet the needs of racers, professional machine shops, and performance enthusiasts that require added strength, larger valve springs, and more opportunities for performance modifications that could not be performed on a stock LS7 cylinder head. The LSX-LS7 as-cast ports are modeled from the production CNC ports to provide out-of-the-box performance. So step up to the NEW Performance in LS7 cylinder heads --- the LSX-LS7 from Scoggin Dickey Parts Center!!
• Extra thick 0.625” deck for increased strength and the ability to mill or angle-mill for specific engine designs and combinations
• Premium 356-T6 aluminum to handle high horsepower applications with added material to the ports for professional porting
• Reinforced rocker stands for increased strength and rigidity – over 0.250” extra width versus stock LS7 rocker stands
• Includes additional head bolts for the 6-bolt LSX block and can also be used on production LS blocks – minimum bore size for the LSX-LS7 is 4.100”
• 2.200” LS7 titanium intake valves, 1.610” light-weight LS7 sodium filled exhaust valves
• “As-Cast” ports can be ported for maximum air flow or used as is -- intake port flows approximately 335cfm @ 0.600” lift and the exhaust flows approximately 215cfm @ 0.600” lift
• Heavy Duty PAC springs for a maximum lift of 0.650” for hydraulic roller cam applications.
• Reinforced spring pockets for race applications. Spring Pockets are machined to accept up to a 1.550”OD spring
• Uses stock LS7 rockers arms, LS7 intake manifold, and valve covers

#19201806 LSX-LS7 Cylinder Head Assembly $1295.00-ea




Not only that, but we have the GMPP carb intakes for them for both standard deck and tall deck applications! If you are wanting to set these up for fuel injection, they do have bosses cast into them.
Tall Deck intake: 19244032
Standard Deck intake: 19244033